US4785558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shoe upper of interknitted outer and inner knit layers
Assignee: Toray Industries Inc
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Filing: 1987-07-22
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Granted: 1988-11-22
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Expires: 2007-07-22
Abstract
Abstract A shoe is described having a shoe upper comprising an outer knit fabric layer, an inner knit fabric layer provided opposite to said outer knit fabric layer through a space, and a crossing thread which is interknitted to be bound into the outer and inner knit fabric layers and crosses the space.
Inventors
- 👤 Kazuhiko Shiomura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:46
CPC Classifications
A; A43; A43B; A43B1/00; A43B1/02; A43B1/04; A43B1/025; A43B1/028; A43B23/00; A43B23/02; A43B23/0205; A43B23/024; A43B23/0245; A43B23/025; D; D04; D04B; D04B21/00; D04B21/14; D04B21/16; D10; D10B; D10B2403/00; D10B2403/01; D10B2403/011; D10B2403/0114; D10B2403/02; D10B2403/021; D10B2501/00; D10B2501/04; D10B2501/043
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
98 words
A shoe comprising a sole and a shoe upper attached to said sole, wherein said shoe upper is comprised of an outer knit fabric layer, an inner knit fabric layer provided opposite to said outer knit fabric layer through a space having a thickness of 1 to 10 mm, and a crossing thread which is interknitted to be bound into said outer and inner knit fabric layers and crosses said space, said crossing thread being provided at a density of 500 to 4500 threads per square inch and having a single yarn fineness of 3 to 50 denier.
Claim 2
Dependent Claim
98 words
A shoe comprising a sole and a shoe upper attached to said sole, wherein said shoe upper is comprised of an outer knit fabric layer, an inner knit fabric layer provided opposite to said outer knit fabric layer through a space having a thickness of 1 to 10 mm, and a crossing thread which is interknitted to be bound into said outer and inner knit fabric layers and crosses said space, said crossing thread being provided at a density of 500 to 4500 threads per square inch and having a single yarn fineness of 3 to 50 denier.
Claim 3
Dependent Claim
11 words
A shoe according to claim 1, which is an athletic shoe.
Claim 4
Dependent Claim
16 words
A shoe according to claim 1, wherein said crossing thread is comprised of a synthetic monofilament.
Claim 5
Dependent Claim
16 words
A shoe according to claim 1, wherein said crossing thread is comprised of a synthetic multifilament.
Claim 6
Dependent Claim
31 words
A shoe according to claim 1, wherein said outer knit fabric layer is constituted of a synthetic fiber yarn and said inner knit fabric layer is constituted of a cotton yarn.
Claim 7
Dependent Claim
25 words
A shoe according to claim 1, wherein said outer knit fabric layer has a stitch density higher than that of said inner knit fabric layer.
Claim 8
Dependent Claim
18 words
A shoe according to claim 1, wherein said shoe upper is knitted with a double Raschel knitting machine.
References Cited (Backward Citations)
US625331A
Cited
GB391101A
Cited
GB437390A
Cited
US3864944A
Cited
SU649612A1
Cited
SE7713557L
Cited
US4232458A
Cited
JPS55110501A
Cited
FR2459851A1
Cited
US4430811A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-11-22 | 1992-05-23 | 1992-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-11-22 | 1996-05-23 | 1996-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-11-22 | 2000-05-23 | 2000-11-22 | $7700.00 | Window Closed / Lapsed |